Overview
overview
9Static
static
9Decache Ex...7z.dll
windows10-2004-x64
3Decache Ex...7z.dll
windows11-21h2-x64
3Decache Ex...7z.exe
windows10-2004-x64
3Decache Ex...7z.exe
windows11-21h2-x64
3Decache Ex...7z.exe
windows10-2004-x64
1Decache Ex...7z.exe
windows11-21h2-x64
1Decache Ex...ux.sfx
ubuntu-18.04-amd64
3Decache Ex...on.exe
windows10-2004-x64
1Decache Ex...on.exe
windows11-21h2-x64
1Decache Ex...32.dll
windows10-2004-x64
3Decache Ex...32.dll
windows11-21h2-x64
3Decache Ex...on.dll
windows10-2004-x64
3Decache Ex...on.dll
windows11-21h2-x64
3Decache Ex...ec.dll
windows10-2004-x64
3Decache Ex...ec.dll
windows11-21h2-x64
3Decache Ex...nc.dll
windows10-2004-x64
3Decache Ex...nc.dll
windows11-21h2-x64
3Decache Ex...ts.bat
windows10-2004-x64
1Decache Ex...ts.bat
windows11-21h2-x64
1Decache Ex...ze.bat
windows10-2004-x64
1Decache Ex...ze.bat
windows11-21h2-x64
1Decache Ex...rl.exe
windows10-2004-x64
1Decache Ex...rl.exe
windows11-21h2-x64
1Decache Ex...dd.exe
windows10-2004-x64
3Decache Ex...dd.exe
windows11-21h2-x64
3Decache Ex...eg.exe
windows10-2004-x64
3Decache Ex...eg.exe
windows11-21h2-x64
3Decache Ex...ew.exe
windows10-2004-x64
7Decache Ex...ew.exe
windows11-21h2-x64
7Decache Ex...ew.exe
windows10-2004-x64
9Decache Ex...ew.exe
windows11-21h2-x64
9Decache Ex...ew.exe
windows10-2004-x64
9Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/06/2026, 03:58
Behavioral task
behavioral1
Sample
Decache Exporter/bin/7z/7z.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Decache Exporter/bin/7z/7z.dll
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
Decache Exporter/bin/7z/7z.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Decache Exporter/bin/7z/7z.exe
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
Decache Exporter/bin/7z/7z.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Decache Exporter/bin/7z/7z.exe
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
Decache Exporter/bin/7z/7zCon.linux.sfx
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral8
Sample
Decache Exporter/bin/7z/7zCon.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral9
Sample
Decache Exporter/bin/7z/7zCon.exe
Resource
win11-20260513-en
Behavioral task
behavioral10
Sample
Decache Exporter/bin/7z/Codecs/Modern7z.32.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral11
Sample
Decache Exporter/bin/7z/Codecs/Modern7z.32.dll
Resource
win11-20260513-en
Behavioral task
behavioral12
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlicommon.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral13
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlicommon.dll
Resource
win11-20260513-en
Behavioral task
behavioral14
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlidec.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral15
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlidec.dll
Resource
win11-20260513-en
Behavioral task
behavioral16
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlienc.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral17
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlienc.dll
Resource
win11-20260513-en
Behavioral task
behavioral18
Sample
Decache Exporter/bin/check_dir_exists.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral19
Sample
Decache Exporter/bin/check_dir_exists.bat
Resource
win11-20260513-en
Behavioral task
behavioral20
Sample
Decache Exporter/bin/check_size.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral21
Sample
Decache Exporter/bin/check_size.bat
Resource
win11-20260513-en
Behavioral task
behavioral22
Sample
Decache Exporter/bin/curl.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral23
Sample
Decache Exporter/bin/curl.exe
Resource
win11-20260513-en
Behavioral task
behavioral24
Sample
Decache Exporter/bin/dd.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral25
Sample
Decache Exporter/bin/dd.exe
Resource
win11-20260513-en
Behavioral task
behavioral26
Sample
Decache Exporter/bin/ffmpeg.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral27
Sample
Decache Exporter/bin/ffmpeg.exe
Resource
win11-20260513-en
Behavioral task
behavioral28
Sample
Decache Exporter/bin/history/BrowsingHistoryView.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral29
Sample
Decache Exporter/bin/history/BrowsingHistoryView.exe
Resource
win11-20260513-en
Behavioral task
behavioral30
Sample
Decache Exporter/bin/history/ChromeHistoryView.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral31
Sample
Decache Exporter/bin/history/ChromeHistoryView.exe
Resource
win11-20260513-en
General
- Target Decache Exporter/bin/7z/7z.dll
- Size 1.3MB
- Sample260602-ejmn7adv4v
- SHA256 a575175338706d1473e2bebe1cd811283c63c697a17c0865de85ede345898af6
- MD5 b418b54dc8da84500c7070e160d500b4
- SHA1 e355240da7851f619168a830ef1eede3aef2383b
- SHA512 52a7454716cf165d2e6e65edabbe4b507bcf8199288d44de40bbce488a43dc45261d32b63bb0e547c4b3bdadfd29d98d4eaaaebefb1a0b15e3a734a809a10d20
- SSDEEP 24576:Yhzoc/XupYDLimyUBKGm2MWYe3swtF7Qv/jVq1hgaZVgpoKODpT9e6isdC:YhzocvupYDLcGm2Oe3sMaXegaik9zVdC
- TLSH T174558D11F7F1C0B4D58D5630862DBBBA50F8E729CA10A8D777C0BE6E6F319D2C225A49
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Program crash 1 IoCs
pid pid_target Process procid_target 6136 892 WerFault.exe 89 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5572 wrote to memory of 892 5572 rundll32.exe 89
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Decache Exporter\bin\7z\7z.dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:5572 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Decache Exporter\bin\7z\7z.dll",#12⤵
- System Location Discovery: System Language Discovery
PID:892 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 6003⤵
- Program crash
PID:6136
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 892 -ip 8921⤵PID:2032